[INFO] cloning repository https://github.com/Gearhartlove/leest [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Gearhartlove/leest" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGearhartlove%2Fleest", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGearhartlove%2Fleest'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 1cd900fde7b5f32f52a0bab8140b9bb4f23f29ef [INFO] testing Gearhartlove/leest against master#ff2c56344c764af598ad33027e9c7a48881808ef for pr-118825 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGearhartlove%2Fleest" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Gearhartlove/leest on toolchain ff2c56344c764af598ad33027e9c7a48881808ef [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ff2c56344c764af598ad33027e9c7a48881808ef" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/Gearhartlove/leest [INFO] finished tweaking git repo https://github.com/Gearhartlove/leest [INFO] tweaked toml for git repo https://github.com/Gearhartlove/leest written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/Gearhartlove/leest already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ff2c56344c764af598ad33027e9c7a48881808ef" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ff2c56344c764af598ad33027e9c7a48881808ef" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 7f6e0c1d9f2c1f86f0b2a143c53fe80137884f37b8697127dd251c60028ef1e8 [INFO] running `Command { std: "docker" "start" "-a" "7f6e0c1d9f2c1f86f0b2a143c53fe80137884f37b8697127dd251c60028ef1e8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7f6e0c1d9f2c1f86f0b2a143c53fe80137884f37b8697127dd251c60028ef1e8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7f6e0c1d9f2c1f86f0b2a143c53fe80137884f37b8697127dd251c60028ef1e8", kill_on_drop: false }` [INFO] [stdout] 7f6e0c1d9f2c1f86f0b2a143c53fe80137884f37b8697127dd251c60028ef1e8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ff2c56344c764af598ad33027e9c7a48881808ef" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] fce79477b99b8b88c05ceb2918a21b9ed5afedc7745fbd1d441769c488309a04 [INFO] running `Command { std: "docker" "start" "-a" "fce79477b99b8b88c05ceb2918a21b9ed5afedc7745fbd1d441769c488309a04", kill_on_drop: false }` [INFO] [stderr] Compiling leest v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::mem::replace` [INFO] [stdout] --> src/worked_problems/shift_2d_grid.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use std::mem::replace; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `worked_problems::baseball_game` [INFO] [stdout] --> src/main.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use worked_problems::baseball_game; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `new_score` is never read [INFO] [stdout] --> src/worked_problems/baseball_game.rs:42:26 [INFO] [stdout] | [INFO] [stdout] 42 | let mut new_score: i32 = 0; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/worked_problems/baseball_game.rs:51:22 [INFO] [stdout] | [INFO] [stdout] 51 | let mut new_score = *record.last()? * 2; [INFO] [stdout] | ----^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/worked_problems/top_k_frequent_elements.rs:19:9 [INFO] [stdout] | [INFO] [stdout] 19 | for i in 0..k { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `result_matrix` [INFO] [stdout] --> src/worked_problems/shift_2d_grid.rs:34:17 [INFO] [stdout] | [INFO] [stdout] 34 | let mut result_matrix = grid.clone(); [INFO] [stdout] | ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_result_matrix` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/worked_problems/shift_2d_grid.rs:34:13 [INFO] [stdout] | [INFO] [stdout] 34 | let mut result_matrix = grid.clone(); [INFO] [stdout] | ----^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/worked_problems/shift_2d_grid.rs:39:17 [INFO] [stdout] | [INFO] [stdout] 39 | let mut row = return_grid.get_mut(new_row_pos).unwrap(); [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `cal_points` is never used [INFO] [stdout] --> src/worked_problems/baseball_game.rs:3:8 [INFO] [stdout] | [INFO] [stdout] 3 | pub fn cal_points(ops: Vec<&str>) -> i32 { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `Ops` is never used [INFO] [stdout] --> src/worked_problems/baseball_game.rs:30:6 [INFO] [stdout] | [INFO] [stdout] 30 | enum Ops { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `handle_ops` is never used [INFO] [stdout] --> src/worked_problems/baseball_game.rs:38:12 [INFO] [stdout] | [INFO] [stdout] 37 | impl Ops { [INFO] [stdout] | -------- associated function in this implementation [INFO] [stdout] 38 | pub fn handle_ops(op: Ops, record: &mut Vec) -> Option { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `top_k_frequent` is never used [INFO] [stdout] --> src/worked_problems/top_k_frequent_elements.rs:4:8 [INFO] [stdout] | [INFO] [stdout] 4 | pub fn top_k_frequent(nums: Vec, k: i32) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `shift_grid` is never used [INFO] [stdout] --> src/worked_problems/shift_2d_grid.rs:5:8 [INFO] [stdout] | [INFO] [stdout] 5 | pub fn shift_grid(grid: Vec>, shift: i32) -> Vec> { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `ROWS` should have a snake case name [INFO] [stdout] --> src/worked_problems/shift_2d_grid.rs:9:9 [INFO] [stdout] | [INFO] [stdout] 9 | let ROWS = return_grid.len(); [INFO] [stdout] | ^^^^ help: convert the identifier to snake case: `rows` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `COLS` should have a snake case name [INFO] [stdout] --> src/worked_problems/shift_2d_grid.rs:10:9 [INFO] [stdout] | [INFO] [stdout] 10 | let COLS = return_grid[0].len(); [INFO] [stdout] | ^^^^ help: convert the identifier to snake case: `cols` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `SIZE` should have a snake case name [INFO] [stdout] --> src/worked_problems/shift_2d_grid.rs:11:9 [INFO] [stdout] | [INFO] [stdout] 11 | let SIZE = ROWS * COLS; [INFO] [stdout] | ^^^^ help: convert the identifier to snake case: `size` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/worked_problems/shift_2d_grid.rs:40:13 [INFO] [stdout] | [INFO] [stdout] 40 | std::mem::replace(&mut row[adjusted_new_index], **k); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 40 | let _ = std::mem::replace(&mut row[adjusted_new_index], **k); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 17 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.17s [INFO] running `Command { std: "docker" "inspect" "fce79477b99b8b88c05ceb2918a21b9ed5afedc7745fbd1d441769c488309a04", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fce79477b99b8b88c05ceb2918a21b9ed5afedc7745fbd1d441769c488309a04", kill_on_drop: false }` [INFO] [stdout] fce79477b99b8b88c05ceb2918a21b9ed5afedc7745fbd1d441769c488309a04 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ff2c56344c764af598ad33027e9c7a48881808ef" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] fd76312fecc60b1b3e02b46768c8385dc98777d8aed60c1e1f7f1219481fde7d [INFO] running `Command { std: "docker" "start" "-a" "fd76312fecc60b1b3e02b46768c8385dc98777d8aed60c1e1f7f1219481fde7d", kill_on_drop: false }` [INFO] [stderr] Compiling leest v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::mem::replace` [INFO] [stdout] --> src/worked_problems/shift_2d_grid.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use std::mem::replace; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `worked_problems::baseball_game` [INFO] [stdout] --> src/main.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use worked_problems::baseball_game; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `new_score` is never read [INFO] [stdout] --> src/worked_problems/baseball_game.rs:42:26 [INFO] [stdout] | [INFO] [stdout] 42 | let mut new_score: i32 = 0; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/worked_problems/baseball_game.rs:51:22 [INFO] [stdout] | [INFO] [stdout] 51 | let mut new_score = *record.last()? * 2; [INFO] [stdout] | ----^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/worked_problems/top_k_frequent_elements.rs:19:9 [INFO] [stdout] | [INFO] [stdout] 19 | for i in 0..k { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `result_matrix` [INFO] [stdout] --> src/worked_problems/shift_2d_grid.rs:34:17 [INFO] [stdout] | [INFO] [stdout] 34 | let mut result_matrix = grid.clone(); [INFO] [stdout] | ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_result_matrix` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/worked_problems/shift_2d_grid.rs:34:13 [INFO] [stdout] | [INFO] [stdout] 34 | let mut result_matrix = grid.clone(); [INFO] [stdout] | ----^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/worked_problems/shift_2d_grid.rs:39:17 [INFO] [stdout] | [INFO] [stdout] 39 | let mut row = return_grid.get_mut(new_row_pos).unwrap(); [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `INTEGER` is never constructed [INFO] [stdout] --> src/worked_problems/baseball_game.rs:31:5 [INFO] [stdout] | [INFO] [stdout] 30 | enum Ops { [INFO] [stdout] | --- variant in this enum [INFO] [stdout] 31 | INTEGER, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `ROWS` should have a snake case name [INFO] [stdout] --> src/worked_problems/shift_2d_grid.rs:9:9 [INFO] [stdout] | [INFO] [stdout] 9 | let ROWS = return_grid.len(); [INFO] [stdout] | ^^^^ help: convert the identifier to snake case: `rows` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `COLS` should have a snake case name [INFO] [stdout] --> src/worked_problems/shift_2d_grid.rs:10:9 [INFO] [stdout] | [INFO] [stdout] 10 | let COLS = return_grid[0].len(); [INFO] [stdout] | ^^^^ help: convert the identifier to snake case: `cols` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `SIZE` should have a snake case name [INFO] [stdout] --> src/worked_problems/shift_2d_grid.rs:11:9 [INFO] [stdout] | [INFO] [stdout] 11 | let SIZE = ROWS * COLS; [INFO] [stdout] | ^^^^ help: convert the identifier to snake case: `size` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/worked_problems/shift_2d_grid.rs:40:13 [INFO] [stdout] | [INFO] [stdout] 40 | std::mem::replace(&mut row[adjusted_new_index], **k); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 40 | let _ = std::mem::replace(&mut row[adjusted_new_index], **k); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 13 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.67s [INFO] running `Command { std: "docker" "inspect" "fd76312fecc60b1b3e02b46768c8385dc98777d8aed60c1e1f7f1219481fde7d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fd76312fecc60b1b3e02b46768c8385dc98777d8aed60c1e1f7f1219481fde7d", kill_on_drop: false }` [INFO] [stdout] fd76312fecc60b1b3e02b46768c8385dc98777d8aed60c1e1f7f1219481fde7d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ff2c56344c764af598ad33027e9c7a48881808ef" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 9791965b9460f5740e8348abc7148740a2b6afaac6994a3a241bb62523b1f0cf [INFO] running `Command { std: "docker" "start" "-a" "9791965b9460f5740e8348abc7148740a2b6afaac6994a3a241bb62523b1f0cf", kill_on_drop: false }` [INFO] [stderr] warning: unused import: `std::mem::replace` [INFO] [stderr] --> src/worked_problems/shift_2d_grid.rs:3:5 [INFO] [stderr] | [INFO] [stderr] 3 | use std::mem::replace; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `worked_problems::baseball_game` [INFO] [stderr] --> src/main.rs:4:5 [INFO] [stderr] | [INFO] [stderr] 4 | use worked_problems::baseball_game; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: value assigned to `new_score` is never read [INFO] [stderr] --> src/worked_problems/baseball_game.rs:42:26 [INFO] [stderr] | [INFO] [stderr] 42 | let mut new_score: i32 = 0; [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] = note: `#[warn(unused_assignments)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/worked_problems/baseball_game.rs:51:22 [INFO] [stderr] | [INFO] [stderr] 51 | let mut new_score = *record.last()? * 2; [INFO] [stderr] | ----^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `i` [INFO] [stderr] --> src/worked_problems/top_k_frequent_elements.rs:19:9 [INFO] [stderr] | [INFO] [stderr] 19 | for i in 0..k { [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `result_matrix` [INFO] [stderr] --> src/worked_problems/shift_2d_grid.rs:34:17 [INFO] [stderr] | [INFO] [stderr] 34 | let mut result_matrix = grid.clone(); [INFO] [stderr] | ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_result_matrix` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/worked_problems/shift_2d_grid.rs:34:13 [INFO] [stderr] | [INFO] [stderr] 34 | let mut result_matrix = grid.clone(); [INFO] [stderr] | ----^^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/worked_problems/shift_2d_grid.rs:39:17 [INFO] [stderr] | [INFO] [stderr] 39 | let mut row = return_grid.get_mut(new_row_pos).unwrap(); [INFO] [stderr] | ----^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variant `INTEGER` is never constructed [INFO] [stderr] --> src/worked_problems/baseball_game.rs:31:5 [INFO] [stderr] | [INFO] [stderr] 30 | enum Ops { [INFO] [stderr] | --- variant in this enum [INFO] [stderr] 31 | INTEGER, [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable `ROWS` should have a snake case name [INFO] [stderr] --> src/worked_problems/shift_2d_grid.rs:9:9 [INFO] [stderr] | [INFO] [stderr] 9 | let ROWS = return_grid.len(); [INFO] [stderr] | ^^^^ help: convert the identifier to snake case: `rows` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_snake_case)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable `COLS` should have a snake case name [INFO] [stderr] --> src/worked_problems/shift_2d_grid.rs:10:9 [INFO] [stderr] | [INFO] [stderr] 10 | let COLS = return_grid[0].len(); [INFO] [stderr] | ^^^^ help: convert the identifier to snake case: `cols` [INFO] [stderr] [INFO] [stderr] warning: variable `SIZE` should have a snake case name [INFO] [stderr] --> src/worked_problems/shift_2d_grid.rs:11:9 [INFO] [stderr] | [INFO] [stderr] 11 | let SIZE = ROWS * COLS; [INFO] [stderr] | ^^^^ help: convert the identifier to snake case: `size` [INFO] [stderr] [INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used [INFO] [stderr] --> src/worked_problems/shift_2d_grid.rs:40:13 [INFO] [stderr] | [INFO] [stderr] 40 | std::mem::replace(&mut row[adjusted_new_index], **k); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 40 | let _ = std::mem::replace(&mut row[adjusted_new_index], **k); [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: `leest` (bin "leest" test) generated 13 warnings (run `cargo fix --bin "leest" --tests` to apply 7 suggestions) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/leest-9914c11adbb5a58c) [INFO] [stdout] [INFO] [stdout] running 5 tests [INFO] [stdout] test worked_problems::shift_2d_grid::tests::shift_mxn_works ... ok [INFO] [stdout] test worked_problems::shift_2d_grid::tests::shift_k_works ... ok [INFO] [stdout] test worked_problems::baseball_game::tests::baseball_works ... ok [INFO] [stdout] test worked_problems::shift_2d_grid::tests::shift_nxn_works ... ok [INFO] [stdout] test worked_problems::top_k_frequent_elements::tests::working ... FAILED [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- worked_problems::top_k_frequent_elements::tests::working stdout ---- [INFO] [stdout] [1, 2] [INFO] [stdout] [2, 4, 3] [INFO] [stdout] thread 'worked_problems::top_k_frequent_elements::tests::working' panicked at src/worked_problems/top_k_frequent_elements.rs:44:9: [INFO] [stdout] assertion `left == right` failed [INFO] [stdout] left: [2, 3, 4] [INFO] [stdout] right: [2, 4, 3] [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x564678a3ce5c - std::backtrace_rs::backtrace::libunwind::trace::h03859d238dbdd93c [INFO] [stdout] at /rustc/ff2c56344c764af598ad33027e9c7a48881808ef/library/std/src/../../backtrace/src/backtrace/libunwind.rs:104:5 [INFO] [stdout] 1: 0x564678a3ce5c - std::backtrace_rs::backtrace::trace_unsynchronized::h2e251246e2581a42 [INFO] [stdout] at /rustc/ff2c56344c764af598ad33027e9c7a48881808ef/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stdout] 2: 0x564678a3ce5c - std::sys_common::backtrace::_print_fmt::h5baa2f175792666a [INFO] [stdout] at /rustc/ff2c56344c764af598ad33027e9c7a48881808ef/library/std/src/sys_common/backtrace.rs:68:5 [INFO] [stdout] 3: 0x564678a3ce5c - ::fmt::h00d759009813d8ca [INFO] [stdout] at /rustc/ff2c56344c764af598ad33027e9c7a48881808ef/library/std/src/sys_common/backtrace.rs:44:22 [INFO] [stdout] 4: 0x564678a670d0 - core::fmt::rt::Argument::fmt::hcd158635f297e549 [INFO] [stdout] at /rustc/ff2c56344c764af598ad33027e9c7a48881808ef/library/core/src/fmt/rt.rs:142:9 [INFO] [stdout] 5: 0x564678a670d0 - core::fmt::write::h9c5087e04fe38018 [INFO] [stdout] at /rustc/ff2c56344c764af598ad33027e9c7a48881808ef/library/core/src/fmt/mod.rs:1120:17 [INFO] [stdout] 6: 0x564678a3a89f - std::io::Write::write_fmt::h34541c3dfc0362f2 [INFO] [stdout] at /rustc/ff2c56344c764af598ad33027e9c7a48881808ef/library/std/src/io/mod.rs:1810:15 [INFO] [stdout] 7: 0x564678a3cc44 - std::sys_common::backtrace::_print::h25969b404f42f4bb [INFO] [stdout] at /rustc/ff2c56344c764af598ad33027e9c7a48881808ef/library/std/src/sys_common/backtrace.rs:47:5 [INFO] [stdout] 8: 0x564678a3cc44 - std::sys_common::backtrace::print::h68d3414e8c63fb83 [INFO] [stdout] at /rustc/ff2c56344c764af598ad33027e9c7a48881808ef/library/std/src/sys_common/backtrace.rs:34:9 [INFO] [stdout] 9: 0x564678a3e977 - std::panicking::default_hook::{{closure}}::hccfef51edabebb9a [INFO] [stdout] 10: 0x564678a3e663 - std::panicking::default_hook::hdec7a4759fa427e8 [INFO] [stdout] at /rustc/ff2c56344c764af598ad33027e9c7a48881808ef/library/std/src/panicking.rs:289:9 [INFO] [stdout] 11: 0x564678a0f067 - as core::ops::function::Fn>::call::h6770dc7dbbc843da [INFO] [stdout] at /rustc/ff2c56344c764af598ad33027e9c7a48881808ef/library/alloc/src/boxed.rs:2029:9 [INFO] [stdout] 12: 0x564678a0f067 - test::test_main::{{closure}}::h037f0e9a244755ad [INFO] [stdout] at /rustc/ff2c56344c764af598ad33027e9c7a48881808ef/library/test/src/lib.rs:138:21 [INFO] [stdout] 13: 0x564678a3ef88 - as core::ops::function::Fn>::call::h284e61fdb096ca02 [INFO] [stdout] at /rustc/ff2c56344c764af598ad33027e9c7a48881808ef/library/alloc/src/boxed.rs:2029:9 [INFO] [stdout] 14: 0x564678a3ef88 - std::panicking::rust_panic_with_hook::h9d502a4da1912fba [INFO] [stdout] at /rustc/ff2c56344c764af598ad33027e9c7a48881808ef/library/std/src/panicking.rs:783:13 [INFO] [stdout] 15: 0x564678a3ecde - std::panicking::begin_panic_handler::{{closure}}::h3a68181f2e6a785b [INFO] [stdout] at /rustc/ff2c56344c764af598ad33027e9c7a48881808ef/library/std/src/panicking.rs:657:13 [INFO] [stdout] 16: 0x564678a3d326 - std::sys_common::backtrace::__rust_end_short_backtrace::hc1d088e8c1328911 [INFO] [stdout] at /rustc/ff2c56344c764af598ad33027e9c7a48881808ef/library/std/src/sys_common/backtrace.rs:171:18 [INFO] [stdout] 17: 0x564678a3ea42 - rust_begin_unwind [INFO] [stdout] at /rustc/ff2c56344c764af598ad33027e9c7a48881808ef/library/std/src/panicking.rs:645:5 [INFO] [stdout] 18: 0x5646789c3cf5 - core::panicking::panic_fmt::h15511a438b78bb2f [INFO] [stdout] at /rustc/ff2c56344c764af598ad33027e9c7a48881808ef/library/core/src/panicking.rs:72:14 [INFO] [stdout] 19: 0x5646789c412b - core::panicking::assert_failed_inner::hc4a5497346231c8a [INFO] [stdout] 20: 0x5646789cb74e - core::panicking::assert_failed::hc9bc1f7c786bd07f [INFO] [stdout] at /rustc/ff2c56344c764af598ad33027e9c7a48881808ef/library/core/src/panicking.rs:297:5 [INFO] [stdout] 21: 0x5646789d4535 - leest::worked_problems::top_k_frequent_elements::tests::working::hb25b0bc34dcdbbe0 [INFO] [stdout] at /opt/rustwide/workdir/src/worked_problems/top_k_frequent_elements.rs:44:9 [INFO] [stdout] 22: 0x5646789d4117 - leest::worked_problems::top_k_frequent_elements::tests::working::{{closure}}::h0f082beaa2485670 [INFO] [stdout] at /opt/rustwide/workdir/src/worked_problems/top_k_frequent_elements.rs:42:17 [INFO] [stdout] 23: 0x5646789d0936 - core::ops::function::FnOnce::call_once::ha92a1cd4249c7293 [INFO] [stdout] at /rustc/ff2c56344c764af598ad33027e9c7a48881808ef/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 24: 0x564678a1475f - core::ops::function::FnOnce::call_once::h0dce7fb8ca7c533f [INFO] [stdout] at /rustc/ff2c56344c764af598ad33027e9c7a48881808ef/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 25: 0x564678a1475f - test::__rust_begin_short_backtrace::h75b023f3061039b8 [INFO] [stdout] at /rustc/ff2c56344c764af598ad33027e9c7a48881808ef/library/test/src/lib.rs:627:18 [INFO] [stdout] 26: 0x564678a136d5 - test::run_test_in_process::{{closure}}::hb995e3036449b1d2 [INFO] [stdout] at /rustc/ff2c56344c764af598ad33027e9c7a48881808ef/library/test/src/lib.rs:650:60 [INFO] [stdout] 27: 0x564678a136d5 - as core::ops::function::FnOnce<()>>::call_once::h63d3d9d9e7447cac [INFO] [stdout] at /rustc/ff2c56344c764af598ad33027e9c7a48881808ef/library/core/src/panic/unwind_safe.rs:272:9 [INFO] [stdout] 28: 0x564678a136d5 - std::panicking::try::do_call::hf358e48b8451abe8 [INFO] [stdout] at /rustc/ff2c56344c764af598ad33027e9c7a48881808ef/library/std/src/panicking.rs:552:40 [INFO] [stdout] 29: 0x564678a136d5 - std::panicking::try::hdfb727124dd74530 [INFO] [stdout] at /rustc/ff2c56344c764af598ad33027e9c7a48881808ef/library/std/src/panicking.rs:516:19 [INFO] [stdout] 30: 0x564678a136d5 - std::panic::catch_unwind::h384458a7c85f353a [INFO] [stdout] at /rustc/ff2c56344c764af598ad33027e9c7a48881808ef/library/std/src/panic.rs:142:14 [INFO] [stdout] 31: 0x564678a136d5 - test::run_test_in_process::h2b217e4014561d06 [INFO] [stdout] at /rustc/ff2c56344c764af598ad33027e9c7a48881808ef/library/test/src/lib.rs:650:27 [INFO] [stdout] 32: 0x564678a136d5 - test::run_test::{{closure}}::h2b7f88f2ebf46b48 [INFO] [stdout] at /rustc/ff2c56344c764af598ad33027e9c7a48881808ef/library/test/src/lib.rs:573:43 [INFO] [stdout] 33: 0x5646789db916 - test::run_test::{{closure}}::h320ebf4a972a385e [INFO] [stdout] at /rustc/ff2c56344c764af598ad33027e9c7a48881808ef/library/test/src/lib.rs:601:41 [INFO] [stdout] 34: 0x5646789db916 - std::sys_common::backtrace::__rust_begin_short_backtrace::h3ed64afcc71df931 [INFO] [stdout] at /rustc/ff2c56344c764af598ad33027e9c7a48881808ef/library/std/src/sys_common/backtrace.rs:155:18 [INFO] [stdout] 35: 0x5646789e0af7 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hb4c68cb7b0f88b9d [INFO] [stdout] at /rustc/ff2c56344c764af598ad33027e9c7a48881808ef/library/std/src/thread/mod.rs:529:17 [INFO] [stdout] 36: 0x5646789e0af7 - as core::ops::function::FnOnce<()>>::call_once::h2a26cae7fae50093 [INFO] [stdout] at /rustc/ff2c56344c764af598ad33027e9c7a48881808ef/library/core/src/panic/unwind_safe.rs:272:9 [INFO] [stdout] 37: 0x5646789e0af7 - std::panicking::try::do_call::h24f674b7fb619491 [INFO] [stdout] at /rustc/ff2c56344c764af598ad33027e9c7a48881808ef/library/std/src/panicking.rs:552:40 [INFO] [stdout] 38: 0x5646789e0af7 - std::panicking::try::h7f5877eebc0c4325 [INFO] [stdout] at /rustc/ff2c56344c764af598ad33027e9c7a48881808ef/library/std/src/panicking.rs:516:19 [INFO] [stdout] 39: 0x5646789e0af7 - std::panic::catch_unwind::h91815042a13af893 [INFO] [stdout] at /rustc/ff2c56344c764af598ad33027e9c7a48881808ef/library/std/src/panic.rs:142:14 [INFO] [stdout] 40: 0x5646789e0af7 - std::thread::Builder::spawn_unchecked_::{{closure}}::h5f5155c83af4a50e [INFO] [stdout] at /rustc/ff2c56344c764af598ad33027e9c7a48881808ef/library/std/src/thread/mod.rs:528:30 [INFO] [stdout] 41: 0x5646789e0af7 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h5d62a6061c9ba69b [INFO] [stdout] at /rustc/ff2c56344c764af598ad33027e9c7a48881808ef/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 42: 0x564678a439e5 - as core::ops::function::FnOnce>::call_once::h861fc3b698de2ffb [INFO] [stdout] at /rustc/ff2c56344c764af598ad33027e9c7a48881808ef/library/alloc/src/boxed.rs:2015:9 [INFO] [stdout] 43: 0x564678a439e5 - as core::ops::function::FnOnce>::call_once::hc66d40344bf1789e [INFO] [stdout] at /rustc/ff2c56344c764af598ad33027e9c7a48881808ef/library/alloc/src/boxed.rs:2015:9 [INFO] [stdout] 44: 0x564678a439e5 - std::sys::unix::thread::Thread::new::thread_start::h425b008cdc0113be [INFO] [stdout] at /rustc/ff2c56344c764af598ad33027e9c7a48881808ef/library/std/src/sys/unix/thread.rs:108:17 [INFO] [stdout] 45: 0x7f42de8c7ac3 - [INFO] [stdout] 46: 0x7f42de958bf4 - __clone [INFO] [stdout] 47: 0x0 - [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] worked_problems::top_k_frequent_elements::tests::working [INFO] [stdout] [INFO] [stdout] test result: FAILED. 4 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s [INFO] [stdout] [INFO] [stderr] error: test failed, to rerun pass `--bin leest` [INFO] running `Command { std: "docker" "inspect" "9791965b9460f5740e8348abc7148740a2b6afaac6994a3a241bb62523b1f0cf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9791965b9460f5740e8348abc7148740a2b6afaac6994a3a241bb62523b1f0cf", kill_on_drop: false }` [INFO] [stdout] 9791965b9460f5740e8348abc7148740a2b6afaac6994a3a241bb62523b1f0cf